JP2003520299A5 - - Google Patents
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- JP2003520299A5 JP2003520299A5 JP2001553424A JP2001553424A JP2003520299A5 JP 2003520299 A5 JP2003520299 A5 JP 2003520299A5 JP 2001553424 A JP2001553424 A JP 2001553424A JP 2001553424 A JP2001553424 A JP 2001553424A JP 2003520299 A5 JP2003520299 A5 JP 2003520299A5
- Authority
- JP
- Japan
- Prior art keywords
- urea
- acid
- react
- water
- complex
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Description
【請求項３】 尿素を最大で８０ｇ／ｌ、好ましくは最大で５０ｇ／ｌの量で含むことを特徴とする、請求項２記載の酸洗い剤。
アンモニウムカルバミド（（ＮＨ2）2ＣＯ）とも呼ばれる尿素は、無色、粒状の化合物であり、水に容易に溶解（〜５００ｇ／ｌ）する。尿素はまた、各種固体過酸化物などのＮＯxを減少させる他の物質とくらべて比較的安価な化学製品（約４ＳＥＫ／Ｋｇ）である。尿素は純粋の一酸化窒素又は二酸化窒素と反応しない。しかしながら、ＨＮＯ3などの強酸の存在下では次式により錯体の生成が起こり、次いで尿素の錯体と硝酸が窒素ガス、シアン酸及び水を生成しながら亜硝酸と反応する。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0000147A SE515806C2 (sv) | 2000-01-19 | 2000-01-19 | Långtidsstabilt betmedel innehållande urea samt sätt att tillverka detta |
| SE0000147-9 | 2000-01-19 | ||
| PCT/SE2001/000060 WO2001053567A1 (en) | 2000-01-19 | 2001-01-12 | Pickling agent containing urea and method of producing it |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2003520299A JP2003520299A (ja) | 2003-07-02 |
| JP2003520299A5 true JP2003520299A5 (ja) | 2008-01-31 |
| JP5088998B2 JP5088998B2 (ja) | 2012-12-05 |
Family
ID=20278147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001553424A Expired - Fee Related JP5088998B2 (ja) | 2000-01-19 | 2001-01-12 | 尿素を含む酸洗い剤及びその製造法 |
Country Status (20)
| Country | Link |
|---|---|
| US (1) | US6844304B2 (ja) |
| EP (1) | EP1252369A1 (ja) |
| JP (1) | JP5088998B2 (ja) |
| KR (1) | KR100749600B1 (ja) |
| CN (1) | CN1231613C (ja) |
| AU (1) | AU780485B2 (ja) |
| BR (1) | BR0107700A (ja) |
| CA (1) | CA2394686C (ja) |
| CZ (1) | CZ20022403A3 (ja) |
| EE (1) | EE05224B1 (ja) |
| HU (1) | HUP0203923A2 (ja) |
| MX (1) | MXPA02007055A (ja) |
| NO (1) | NO20023454L (ja) |
| NZ (1) | NZ519439A (ja) |
| PL (1) | PL356442A1 (ja) |
| RU (1) | RU2259422C2 (ja) |
| SE (1) | SE515806C2 (ja) |
| SK (1) | SK287092B6 (ja) |
| WO (1) | WO2001053567A1 (ja) |
| ZA (1) | ZA200205758B (ja) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6617209B1 (en) * | 2002-02-22 | 2003-09-09 | Intel Corporation | Method for making a semiconductor device having a high-k gate dielectric |
| US20060079424A1 (en) * | 2004-09-23 | 2006-04-13 | Perry Stephen C | Buffered acid cleaner and method of production |
| DE102005026409B4 (de) * | 2005-06-08 | 2008-10-16 | Vacuumschmelze Gmbh & Co. Kg | Verfahren zur Reinigung oder Bearbeitung eines Metallkörpers |
| US7402553B1 (en) | 2007-01-12 | 2008-07-22 | Perry Stephen C | Method for preparing a buffered acid composition |
| JP2008285710A (ja) * | 2007-05-16 | 2008-11-27 | Daido Steel Co Ltd | 酸洗方法および酸洗装置 |
| US8343904B2 (en) * | 2008-01-22 | 2013-01-01 | Access Business Group International Llc | Phosphate and phosphonate-free automatic gel dishwashing detergent providing improved spotting and filming performance |
| JP5881513B2 (ja) * | 2012-04-06 | 2016-03-09 | 三菱重工業株式会社 | ガスタービン用部材のコーティング剥離方法 |
| CN102888607B (zh) * | 2012-09-24 | 2014-08-06 | 中国人民解放军第五七一九工厂 | 快速去除镍镉扩散镀层的清除剂组合物及其退镀方法 |
| US10280515B1 (en) | 2013-12-20 | 2019-05-07 | Protocol Environmental Solutions, Inc. | Weld mark treatment |
| CA2950370A1 (en) | 2016-12-02 | 2018-06-02 | Fluid Energy Group Ltd. | Novel corrosion inhibition package |
| CA3008866A1 (en) | 2018-06-19 | 2019-12-19 | Fluid Energy Group Ltd. | Novel corrosion inhibitor for various acids |
| CN111850573B (zh) * | 2020-07-15 | 2021-11-23 | 北京首钢吉泰安新材料有限公司 | 一种钢材酸洗前处理方法及其产品 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1279834A (en) * | 1968-10-07 | 1972-06-28 | Chugai Kasei Co Ltd | Improvements in metal cleaning and etching compositions |
| JPS4942775B1 (ja) * | 1968-10-07 | 1974-11-16 | ||
| JPS5456939A (en) * | 1977-10-14 | 1979-05-08 | Sumitomo Metal Ind Ltd | Method of descaling stainless steel pipe |
| JPS59593B2 (ja) * | 1979-04-11 | 1984-01-07 | 住友金属工業株式会社 | ステンレス鋼管の脱スケ−ル方法 |
| JPS55138083A (en) * | 1979-04-11 | 1980-10-28 | Sumitomo Metal Ind Ltd | Washng method for titanium material with nitrofluoric acid |
| GB2048311A (en) | 1979-04-12 | 1980-12-10 | Sumitomo Metal Ind | Chemical pickling stainless steel |
| JPS5719385A (en) * | 1980-07-11 | 1982-02-01 | Nissan Chem Ind Ltd | Gaseous nitrogen oxide generation inhibitor for nitric acid pickling bath |
| JPS5794578A (en) * | 1980-12-04 | 1982-06-12 | Taimu Chem:Kk | Acidic cleaner having viscosity |
| DE3412329A1 (de) | 1984-04-03 | 1985-10-10 | Maschinenfabrik Andritz Ag, Graz | Verfahren zum beizen von edelstaehlen, kupfer, buntmetallegierungen, sonderlegierungen, titan, zirkon, tantal usw. mittels salpetersaurer beizbaeder |
| JPS615989A (ja) * | 1984-06-21 | 1986-01-11 | Matsushita Electric Ind Co Ltd | 光学情報記録部材 |
| JPS6115989A (ja) * | 1984-07-03 | 1986-01-24 | Kobe Steel Ltd | ＮＯｘ発生を抑制した金属の酸洗法 |
| US5266410A (en) * | 1987-12-04 | 1993-11-30 | Henkel Corporation | Treatment and after-treatment of metal with polyphenol compounds |
| JPH0832961B2 (ja) * | 1989-02-28 | 1996-03-29 | セイミケミカル株式会社 | 酸洗浄剤 |
| JPH03247786A (ja) * | 1990-02-26 | 1991-11-05 | Hisashi Nakai | フッ素イオン中和剤 |
| US5123910A (en) * | 1990-11-07 | 1992-06-23 | Mcintosh Charles L | Blunt tip surgical needle |
| AU7199594A (en) * | 1993-07-01 | 1995-01-24 | W.L. Gore & Associates, Inc. | A suture needle |
| SE504733C2 (sv) | 1994-06-17 | 1997-04-14 | Ta Chemistry Ab | Förfarande för betning |
| JP3209105B2 (ja) * | 1996-07-31 | 2001-09-17 | 住友金属鉱山株式会社 | 銀の硫化被膜洗浄剤 |
-
2000
- 2000-01-19 SE SE0000147A patent/SE515806C2/sv not_active IP Right Cessation
-
2001
- 2001-01-12 CZ CZ20022403A patent/CZ20022403A3/cs unknown
- 2001-01-12 CN CNB018039057A patent/CN1231613C/zh not_active Expired - Fee Related
- 2001-01-12 RU RU2002116231/02A patent/RU2259422C2/ru not_active IP Right Cessation
- 2001-01-12 MX MXPA02007055A patent/MXPA02007055A/es active IP Right Grant
- 2001-01-12 NZ NZ519439A patent/NZ519439A/en unknown
- 2001-01-12 KR KR1020027009253A patent/KR100749600B1/ko not_active IP Right Cessation
- 2001-01-12 HU HU0203923A patent/HUP0203923A2/hu unknown
- 2001-01-12 SK SK1027-2002A patent/SK287092B6/sk unknown
- 2001-01-12 US US10/168,990 patent/US6844304B2/en not_active Expired - Fee Related
- 2001-01-12 EP EP01942683A patent/EP1252369A1/en not_active Withdrawn
- 2001-01-12 CA CA2394686A patent/CA2394686C/en not_active Expired - Fee Related
- 2001-01-12 JP JP2001553424A patent/JP5088998B2/ja not_active Expired - Fee Related
- 2001-01-12 WO PCT/SE2001/000060 patent/WO2001053567A1/en active IP Right Grant
- 2001-01-12 EE EEP200200397A patent/EE05224B1/xx not_active IP Right Cessation
- 2001-01-12 PL PL01356442A patent/PL356442A1/xx not_active Application Discontinuation
- 2001-01-12 AU AU28964/01A patent/AU780485B2/en not_active Ceased
- 2001-01-12 BR BR0107700-7A patent/BR0107700A/pt not_active IP Right Cessation
-
2002
- 2002-07-18 NO NO20023454A patent/NO20023454L/no not_active Application Discontinuation
- 2002-07-18 ZA ZA200205758A patent/ZA200205758B/xx unknown
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